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This CSK Head Square Drive Self Drilling Screw features a thread size range of M3 to M10 and lengths from 9.5mm to 130mm. Manufactured from SUS410 stainless steel, the material undergoes heat treatment to achieve high hardness, allowing the drilling point to penetrate metal substrates rapidly without pre-drilling. The countersunk head design ensures a flush finish with the workpiece surface, while the square drive allows for high torque transmission and reduces the risk of cam-out. The surface is treated with Dacromet, forming a dense protective layer that provides corrosion resistance and weather durability, suitable for humid or high-salt environments. It is applicable for assembly in steel structure construction, automotive components, and industrial equipment.
All Head Types Bolt
Cat:Bolt
Bolt is a common fastener used in many fields such as machinery, construction, and automobiles. It connects and fixes two or more parts through the co...
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